Time to describe a skintight. It's a remarkable piece of equipment, even when it's failing, even when you know you're going to die. Your standard Marsgrade skintight is a flexible and seamless suit woven from a continuous monomolecular strand of carbon coil flex, set into a bilayer gel mostly comfy to the skin. in the field, the skintight absorbs skin waste and conveys it through tiny tubes to storage packs around the butt...

Compare to skin suit from Dinosaur Beach (1971) by Keith Laumer, transkin from Parasite Planet (1931), by Stanley G. Weinbaum, kloraderm from Old Man's War (2005), by John Scalzi and the diveskin from Starfish (1999) by Peter Watts.